August 04, 2026
Estimated reading time: 3 minutes
Key takeaways:
- With AI-coding agents, who reviews whom matters more than having a second opinion at all: pairing Claude with the wrong reviewer dragged its solo pass rate from 91.4% down to 82.8%.
- Codex fixed 3 of Claude’s failures but broke 13 correct solutions – junior-rewriting-senior, not senior-reviewing-junior.
- A second AI reviewer isn’t free: cost more than doubled, latency nearly tripled.
Putting two AI-coding agents into a writer-reviewer pipeline seems like a logical way to improve code quality: one produces the code, while the other catches its mistakes.
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August 04, 2026
